reutlingen-university.de

Valid Email Server
Domain Lookup › reutlingen-university.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
reutlingen-university.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 09:25:37 UTC · ↺ Refresh

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MX Hostnames

  • reutlingenuniversity-de02e.mail.protection.outlook.com

MX Priorities

  • reutlingenuniversity-de02e.mail.protection.outlook.com: 300

A / AAAA Records

  • 134.103.31.141 (no PTR)

Mail Server IPs

  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA noc.fh-reutlingen.de netz-admin.fh-reutlingen.de 26270549 21600 3600 604800 600
Primary NS (mname)
noc.fh-reutlingen.de
Admin Email (rname)
netz-admin@fh-reutlingen.de
Serial
26270549
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

noc.fh-reutlingen.de
dns1.belwue.de
nos.fh-reutlingen.de
dns3.belwue.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:193.197.148.18 include:_spf.belwue.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 ip4:193.197.148.18 include:_spf.belwue.de include:spf.protection.outlook.com ~all
  • google-site-verification=_y8jLFmHW7kMqKnjuTUh6Wr3TX-6URHUVJW1Ai9tyuM
  • MS=ms44456247
  • sophos-domain-verification=53157a2ab762c59b13772dbbe5e94e3e68afbee8690b5587eb040792972e7d3c
  • MS=ms62898662
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